If you keep this in a secure location, you can have a new key manufactured for you in the terrible case that you lose all of your keys. These include Channel Islands, isle of wight, isle of man, northern island and Scottish highlands.
eBay
Heavy Duty Motorcycle Chain Lock 90cm Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
Approx.100-110DB Loud alarm siren. When the lock body or vehicle is vibrated, the lock will give an alarm "DU DU DU". When the lock is vibrated again, it will give an alarm and keep the alarm with serial vibration.
eBay
Heavy Duty Motorcycle Chain Lock 80cm Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
Material: high-strength aluminum alloy + zinc alloy lock core + silica gel. Application: bicycles, motorcycles, etc.
eBay
Heavy Duty Motorcycle Chain Lock 80cm Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
Ideal for motorcycles, mopeds, scooters, e-bikes, and bicycles. Simplypress the button to engage the lock. 1 × Alarm Disc Brake Lock. 💦Durable & Waterproof Design. Lock Pin Size: 7mm. Any disc brake rotorunder 7mm thick.
eBay
Heavy Duty Motorcycle Chain Lock Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle
Aliexpress UK
The Motorbike Motorcycle Handlebar Throttle Grip Lock is a key-operated cable lock designed to provide safety and security to your motorcycle. Made from durable aluminum and CNC material, this waterproof lock features a security rating of A, making it a reliable choice for keeping your bike protected. The package includes 1 grip lock and 2 keys, ensuring you always have a backup in case of emergencies. With a sleek black colour and a weight of 305g, this handlebar lock is a practical and stylish accessory for any motorcyclist looking to deter theft.
eBay
Motorcycle Chain Lock with Lighter Weight and Stronger Security Anti-Theft Bicycle Lock for Road Mountain Bikes
Aliexpress UK
Chain Lock 1.2m x 10mm. One way of providing yourself with added security is to use an anti-theft chain lock to secure your bike in place and to deter thieves from trying to make a quick getaway. 1.2mtr x 10mm link chain.
eBay
Motorcycle Helmet Lock Anti-Theft Bicycle Helmet Security Locks Hanging Hook with 2 Keys For Harley 7/8" to 1-1/4" 25-32mm Dyna
Aliexpress UK
BOLT ELITE SOLD SECURE GOLD APPROVED CHAIN LOCK - 1.0M. Secure your ride with thisChain Lock, designed for unbeatable protection against theft. This security chain lock is the perfect choice for riders who value premium protection.
eBay
Lightweight Motorcycle Chain Lock - High Security Anti-Theft Bicycle Lock for Road & Mountain Bikes
Aliexpress UK
Bike Portable Folding Lock. 360° Rotation Alloy Steel Lock Plate. 6 Sections Folding Easy To Shrink And Easy To Fold. Zinc Alloy Lock Core C Level Anti-Theft. Keeping Your Bike Safe Is A Lock's Top Priority.
eBay
Universal Bike Lock Anti-Theft with 2 Keys for Bicycle Motorcycle Security Lock Steel Rope Cable Lockers
Aliexpress UK